Question

The length of a spring can be changed by (a) applying a force to it or (b) changing its temperature (thermal expansion). what type of energy interaction. hem between the system (spring) and surrounding is equired to change the length of the spring in these two ways?

Answer 1

The energy interaction required to change the length of a spring by applying a force to it is mechanical energy transfer, while the energy interaction required to change the length of a spring by changing its temperature is thermal energy transfer.

Step-by-step explanation:

The energy interaction required to change the length of a spring by applying a force to it is mechanical energy transfer. When a force is applied to compress or extend a spring, work is done on the spring, transferring energy to it. This energy is stored as potential energy in the spring.

The energy interaction required to change the length of a spring by changing its temperature is thermal energy transfer. When the temperature of a spring increases, its atoms gain kinetic energy and move farther apart, causing the spring to expand. This energy transfer is related to the thermal expansion of the spring.